CN207045602U - A kind of motorcycle chain adjuster - Google Patents

Abstract

A kind of motorcycle chain adjuster, including fixed body frame, it is articulated with the adjustment arm of fixed body frame one end and the fixation subframe located at the fixed body frame other end, adjustment arm one end is provided with adjustment wheel, it is connected between fixed body frame and adjustment arm by extension spring, mutually fixed by bolt between fixed body frame and fixed subframe, the fixed body frame side relative with adjustment arm is fixed with a fuel tank；The fuel tank medium position is equipped with a barrier film, and barrier film is elastic material；Fuel tank is separated to form oil storage space, activity space by the barrier film；The fuel tank is provided with the movable span to be connected with activity space in the relative side lower part of adjustment arm, and movable span tilts down.Motorcycle chain adjuster of the present utility model can be lubricated work to adjust automatically wheel, make to be maintained at smoothly state between adjustment wheel and chain, more lubricating oil can be covered with into chain by adjusting wheel, make chain when conveying mobile by self-lubricate.

Description

A kind of motorcycle chain adjuster

Technical field

It the utility model is related to a kind of motorcycle chain adjuster.

Background technology

Motorcycle chain adjuster is a kind of device that can be automatically adjusted to the elasticity of motorcycle chain, motorcycle Traveling be fixed against driving of the engine to wheel, and chain is the part that can be transferred to the driving force of engine on wheel, Because the length of conventional chains is long, easily there is loose situation, and when it is engine-operated quickly when, even jump occurs in chain Dynamic situation, and motorcycle chain adjuster can then make chain remain at tightening state automatically, solve the above problems, tradition Motorcycle chain adjuster chain is compressed by adjusting wheel, therefore when chain conveys mobile, adjustment wheel then can Rotate therewith, but under friction of the chain with adjustment wheel, adjustment wheel inevitably forms one resistance, to chain Conveying movement impact, when especially being worn to adjustment wheel and the contact surface of chain, this friction level can more increase, The situation of interim card is easily caused, driving of the engine to wheel is influenceed, certain potential safety hazard be present.

Smoothness during in order to ensure that chain conveying is mobile, driving personnel always need timing to lubricate chain external coating Oil, but the mode of this manual application of lubricant is extremely onerous, it is necessary to which driving personnel specially prepares lubricating oil and lubricating tool, Fang Kejin OK, and easily there is the situation for forgeing lubrication in the mode of the manual application of lubricant, once lubrication is forgotten, when chain conveying will be caused mobile Friction level become big, become extremely bite, can more produce noise.

The content of the invention

The technical problems to be solved in the utility model is to provide a kind of motorcycle chain adjuster, and it can be to adjust automatically wheel Work is lubricated, makes to be maintained at smoothly state between adjustment wheel and chain, more lubricating oil can be covered with chain by adjusting wheel Bar, make chain when conveying mobile by self-lubricate.

The technical scheme in the invention for solving the above technical problem is：

The utility model discloses a kind of motorcycle chain adjuster, including fixes body frame, is articulated with fixed body frame one end Arm and the fixation subframe located at the fixed body frame other end are adjusted, adjustment arm one end is provided with adjustment wheel, fixed body frame and adjustment It is connected between arm by extension spring, is mutually fixed by bolt between fixed body frame and fixed subframe, it is characterised in that：The fixation The body frame side relative with adjustment arm is fixed with a fuel tank；The fuel tank medium position is equipped with a barrier film, and barrier film is elastic material Matter；Fuel tank is separated to form oil storage space, activity space by the barrier film；The fuel tank is provided with the relative side lower part of adjustment arm The movable span to be connected with activity space, movable span tilt down；The motion bar to match with it is installed in the movable span； Described motion bar one end passes outside movable span and is connected with pinch roller, and the motion bar other end penetrates in activity space and is connected with extruding Head；The pinch roller is in contact with adjustment wheel；The extrusion head presses on barrier film lower surface adjacent to one end of movable span；The fuel tank A upper lateral part relative with adjustment arm is provided with the flowline to be connected with oil storage space；One is provided with the port of the flowline outer end Oil outlet；Flowline outer end port outer ring is provided with some fixing grooves being circularly and evenly distributed；It is fixed in the fixing groove Flexible band；The elastic webbing is connected with a closure, and closure is covered in flowline outer end port, and closure hides oil outlet Cover blocking；Flowline outer end port is positioned at adjustment wheel top.

A locating rod to match with oil outlet is connected with the inside of the closure, it is straight that positioning shank diameter is less than oil outlet Footpath.

A rubber column is provided between the closure and locating rod；It is straight that the rubber column diameter is more than or equal to oil outlet Footpath.

The fuel tank is provided with an oil filler point to be connected with oil storage space；It is plugged with the oil filler point and matches with it Plug.

The extrusion head is with the end that barrier film mutually compresses in hemispherical.

The beneficial effects of the utility model are：

Compared with prior art, can using the motorcycle chain adjuster of the utility model structure in chain-loose Automatically chain is tightened up, while being tightened up to chain, forms one pressure by the lubricating oil of oil storage space from oil outlet Extrusion, lubricating oil are dropped to after being extruded on adjustment wheel, and in the case where adjustment wheel rolls, lubricating oil is covered with adjustment wheel surface, In the presence of lubricating oil, the frictional force between adjustment wheel and chain decreases, and the resistance that adjustment wheel is formed can almost neglect Slightly disregard, conveying movement that will not be to chain is impacted, and the rolling power resources for adjusting wheel are moved in chain, chain in conveying Constantly it is in contact during dynamic with adjustment wheel, the lubricating oil on adjustment wheel can then be covered with chain surface gradually, realize chain Self-lubricate, without being manually lubricated, in the case where chain is by lubrication, chain can smoothly carry out conveying movement, no The situation of bite occurs, ensures roadability, avoids the mobile bite of chain conveying from producing the situation of noise.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model motorcycle chain adjuster；

Fig. 2 is the enlarged drawing in Figure 1A portions.

Embodiment

The present invention is further detailed explanation with reference to the accompanying drawings and detailed description：

Fig. 1, Fig. 2 are referred to, the utility model provides a kind of motorcycle chain adjuster, including fixes body frame 1, is articulated with The adjustment arm 2 of fixed one end of body frame 1 and the fixation subframe 3 located at the fixed other end of body frame 1, adjustment arm 2 one end are provided with tune Whole wheel 4, it is connected between fixed body frame 1 and adjustment arm 2 by extension spring 5, passes through bolt 6 between fixed body frame 1 and fixed subframe 3 Mutually fixed, the fixed body frame 1 side relative with adjustment arm 2 is fixed with a fuel tank 7；The medium position of fuel tank 7 is equipped with One barrier film 8, barrier film 8 are elastic material；Fuel tank 7 is separated to form oil storage space 9, activity space 10 by the barrier film 8；The fuel tank 7 tilt down in the relative side lower part of adjustment arm 2 provided with the movable span 11 to be connected with activity space 10, movable span 11；Institute State the motion bar 12 for being provided with movable span 11 and matching with it；Described one end of motion bar 12 passes outside movable span 11 and is connected with Pinch roller 13, the other end of motion bar 12 penetrate in activity space 10 and are connected with extrusion head 14；The pinch roller 13 connects with adjustment wheel 4 Touch；The extrusion head 14 presses on the lower surface of barrier film 8 adjacent to one end of movable span 11；The fuel tank 7 with adjustment arm 2 it is relative one Upper lateral part is provided with the flowline 15 to be connected with oil storage space 9；An oil outlet 16 is provided with the outer end port of flowline 15；Institute State the outer end port outer ring of flowline 15 and be provided with some fixing grooves 17 being circularly and evenly distributed；Bullet is fixed with the fixing groove 17 Property band 18；The elastic webbing 18 is connected with a closure 19, and closure 19 is covered in the outer end port of flowline 15, and closure 19 will The masking of oil outlet 16 blocks；The outer end port of flowline 15 is positioned at the top of adjustment wheel 4.

The inner side of closure 19 is connected with a locating rod 20 to match with oil outlet 16, and the diameter of locating rod 20 is less than The diameter of oilhole 16.

A rubber column 21 is provided between the closure 19 and locating rod 20；The diameter of rubber column 21 is more than or equal to The diameter of oilhole 16.

The fuel tank 7 is provided with an oil filler point 22 to be connected with oil storage space 9；It is plugged with and its phase at the oil filler point 22 The plug 23 of matching.

The extrusion head 14 is with the end that the phase of barrier film 8 compresses in hemispherical.

Application method of the present utility model is as follows：

Fixed body frame 1 is fixed on body of motor cycle by fixed subframe 3 first, and fixes subframe 3 and fixed body frame 1 The mode being bolted is beneficial to dismounting, is easy to repair, and at fixed 1 position of body frame, is bonded the upper surface of adjustment wheel 4 In motorcycle chain lower surface, in the case where fixed body frame 1 is fixed, fixed body frame 1 is by the elastic force of extension spring 5 to adjustment Arm 2 is pulled, and makes adjustment arm 2 all the time by one pulling force effect, close towards the fixed direction of body frame 1, due to the installation of adjustment wheel 4 In adjustment arm 2 on, therefore adjust wheel 4 all the time have one pressure chain is pressed.

When chain-loose, adjustment wheel 4 then upper pressure can tighten up chain automatically, make chain remain at tightening state, when When being pressed on adjustment wheel 4, under the pulling of the elastic force of extension spring 5, the spacing adjusted between arm 2 and fixed body frame 1 diminishes adjustment arm 2, this When adjustment wheel 4 formation one pressure act on pinch roller 13, pinch roller 13 is pressed towards the direction of fuel tank 7, pressed in pinch roller 13 When, motion bar 12 is therewith towards retraction in fuel tank 7, because movable span 11 tilts down, therefore when motion bar 12 is moved, One end that motion bar 12 is provided with extrusion head 14 can be constantly upper tiltedly mobile, and extrusion head 14 starts to extrude barrier film 8, motion bar 12 More go deep into fuel tank 7, extrusion head 14 is just bigger to the extruding force of barrier film 8, and deformation is also bigger caused by barrier film 8, with barrier film 8 to The Direction distortion of oil storage space 9, the oil pressure in oil storage space 9 constantly raises, in the case of oil pressure is elevated, lubricating oil constantly quilt To squeeze into flowline 15, last lubricating oil is entered in oil outlet 16, and to being covered in the closure of the outer end port of flowline 15 19 are extruded, and now closure 19 is opened, and closure 19 no longer blocks oil outlet 16, and lubricating oil flows out from oil outlet 16.

And the outer end port of flowline 15 is positioned at the top of adjustment wheel 4, when lubricating oil flows out from oil outlet 16, lubricating oil drippage To adjustment wheel 4, in the case where adjustment wheel 4 rolls, lubricating oil is covered with 4 surfaces of adjustment wheel, in the presence of lubricating oil, adjustment Frictional force between wheel 4 and chain decreases, and the resistance that adjustment wheel 4 is formed almost can be ignored, will not be to chain Conveying movement impacts, and adjust wheel 4 rolling power resources in chain, chain in moving process is conveyed constantly with adjustment Wheel 4 is in contact, and the lubricating oil on adjustment wheel 4 can then be covered with chain surface gradually, the self-lubricate of chain be realized, without artificial It is lubricated, in the case where chain is by lubrication, chain can smoothly carry out conveying movement, be not in the situation of bite, Ensure roadability, avoid the mobile bite of chain conveying from producing the situation of noise.

After chain is tightened, extrusion head 14 keeps constant to the extruding force of barrier film 8, the sky that the now deformation of barrier film 8 is formed In lubricating oil be extruded oil storage space 9, the oil pressure in oil storage space 9 recovers normal, and closure 19 is then in elastic webbing 18 Resetted under elastic reaction, the outer end port of flowline 15 is covered again, oil outlet 16 blocked, lubricating oil can not flow out, and make profit Lubricating oil can be utilized effectively, and will not be wasted.

The inner side of closure 19 is connected with the locating rod 20 to match with oil outlet 16, and the diameter of locating rod 20 is less than oil outlet 16 Diameter, the presence of locating rod 20 can play the effect of positioning and guiding, closure 19 is accurately carried out when closure 19 resets Reset, be not in the situation of position skew, ensure the sealing of closure 19.

Rubber column 21 is provided between closure 19 and locating rod 20, it is straight that the diameter of rubber column 21 is more than or equal to oil outlet 16 Footpath, the presence of rubber column 21 can further improve sealing when closure 19 seals, avoid the occurrence of oil leak situation.

Fuel tank 7 is provided with the oil filler point 22 to be connected with oil storage space 9, and the plug to match with it is plugged with oil filler point 22 23, after lubricating oil has used, oiling work can be carried out by oil filler point 22, after the completion of oiling, then plug 23 be blocked.

The end that extrusion head 14 compresses with the phase of barrier film 8 is in hemispherical, can effectively prevent the extruding force of extrusion head 14 from crossing senior general The situation that barrier film 8 is poked.

Claims (5)

1. a kind of motorcycle chain adjuster, including fix body frame, be articulated with the adjustment arm of fixed body frame one end and located at solid Determine the fixation subframe of the body frame other end, adjustment arm one end is provided with adjustment wheel, passes through extension spring phase between fixed body frame and adjustment arm Connection, mutually fixed by bolt between fixed body frame and fixed subframe, it is characterised in that：The fixed body frame is relative with adjustment arm Side be fixed with a fuel tank；The fuel tank medium position is equipped with a barrier film, and barrier film is elastic material；The barrier film is by fuel tank It is separated to form oil storage space, activity space；The fuel tank is provided with the relative side lower part of adjustment arm and connected with activity space Movable span, movable span tilts down；The motion bar to match with it is installed in the movable span；Wear described motion bar one end Go out outside movable span and be connected with pinch roller, the motion bar other end penetrates in activity space and is connected with extrusion head；The pinch roller is with adjusting Whole wheel is in contact；The extrusion head presses on barrier film lower surface adjacent to one end of movable span；The fuel tank is relative with adjustment arm One upper lateral part is provided with the flowline to be connected with oil storage space；An oil outlet is provided with the port of the flowline outer end；It is described go out Oil pipe outer end port outer ring is provided with some fixing grooves being circularly and evenly distributed；Elastic webbing is fixed with the fixing groove；It is described Elastic webbing is connected with a closure, and closure is covered in flowline outer end port, and closure blocks fuel-displaced maskaperture mask；It is described go out Oil pipe outer end port is positioned at adjustment wheel top.

A kind of 2. motorcycle chain adjuster according to claim 1, it is characterised in that：It is connected with the inside of the closure One locating rod to match with oil outlet, positioning shank diameter are less than fuel-displaced bore dia.

A kind of 3. motorcycle chain adjuster according to claim 2, it is characterised in that：The closure and locating rod it Between be provided with a rubber column；The rubber column diameter is more than or equal to fuel-displaced bore dia.

A kind of 4. motorcycle chain adjuster according to claim 1, it is characterised in that：The fuel tank is provided with one and storage The oil filler point that oily space connects；The plug to match with it is plugged with the oil filler point.

A kind of 5. motorcycle chain adjuster according to claim 1, it is characterised in that：The extrusion head offsets with barrier film The end of pressure is in hemispherical.